Here's a (hopefully growing) collection of people's general guides to roleplaying a particular alignment.
Alignment Guide Creator Guide Link Chaotic Evil Thealtruistorc No Limits, No Regrets ? ? ? Chaotic Good ThinkMinty Rules Are For Jerks ? ? ? Chaotic Neutral AvatarVecna We're Rebels Without A Clue ? ? ? Neutral Evil FocusWolf413 and pieman2945 My Will Or I Won't Neutral Evil Svata Ultimate Pragmatism Neutral Evil Mrs Kat By NE Means Necessary Neutral Good Cruiser1 Selfless Service With Blessings To All <3 Neutral Good Jallorn The Right Thing For The Right Reason Neutral atemu1234 I Look After Me And Mine Neutral Seto The Pursuit Of Happiness Lawful Evil Red Fel Compliance Will Be Rewarded ? ? ? Lawful Good Zrak To March Into Hell For A Heavenly Cause Lawful Good Michael7123 To Serve In Heaven Lawful Neutral Saintheart My Country Right Or Wrong ? ? ?
Guides are posted by alignment in terms of alphabetical order.