Sean “Diddy” Combs’ ex-bodyguard showed off his dark exploits online for years. RadarOnline.com can reveal Joseph “Big Joe” Sherman shared photos of himself with booze, half-naked women and A-listers on yachts. The revelation about Sherman flaunting his wild lifestyle came as a new lawsuit was filed against Combs, 54, and his former bodyguard on Tuesday. Thalia Graves accused Sherman and the music mogul of raping her when she was 25-years-old at Bad Boys studios in New York in 2001. In her lawsuit, Graves claimed the two men drugged her before the assault. She further alleged the pair filmed t…