Short of Re-writing the class, I allow the following to make the class match the following in the class description.
• “Since Sorcerers gain their powers without undergoing the years of rigorous study that Wizards go through, they have more time to learn to fighting skills.”
• “Since Sorcerers often have a powerful presence that gives them a way with people, they frequently serve as the “face” for an adventuring party, negotiating, bargaining, and speaking for others. The Sorcerer’s spells often help him sway others or gain information, so he makes an excellent spy or diplomat for an adventuring party.”
HD: d6
SP's: 4+INT
Skills: Alchemy, Bluff, Concentration, Craft, Diplomacy, Gather Information, Intimidate, Knowledge (Any), Listen, Perform, Profession, Scry, Sense Motive, Spellcraft, Spot, and Wilderness Lore.
Weapon and Armor Proficiency: Sorcerers are proficient with all simple weapons. Sorcerers are proficient in light armors, but are not proficient in shields. Note that as an arcane caster, sorcerer’s still suffer Arcane Spell Failure when wearing armor.
Also to make them a bit more functional I allow INT modifier in bonus spells known per spell level. This balances in that it is yet another high Stat the PC needs if they want to utilize this (along with STR, DEX, CON, and CHA).
On a side note - I re-wrote 2 different styles of Sorcerers as ALT classes in my world, but they are heavier power than the Standard Sorcerer, which in my opinion is a gimp class unless you are specifically making an Evoker machine.