One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,4)(3,6,8,7)(9,10,12,14)(11,13,16,15)(17,18)(19,20)(21,24)(22,23)(2,4)(6,7)(9,10)(11,15)(12,14)(13,16)(18,23)(19,21)(25,26,28,30)(27,29,31,32)(1,3,5,8)(2,6,4,7)(9,10,12,14)(11,13,16,15)(17,19,22,21)(18,24,23,20)(25,26)(27,29)(28,30)(31,32)(1,3)(2,6)(4,7)(5,8)(9,10)(11,13)(12,14)(15,16)(17,20,22,24)(18,19,23,21)(25,27,28,31)(26,29,30,32)(1,4,5,2)(3,7,8,6)(9,11,12,16)(10,13,14,15)(17,21,22,19)(18,24,23,20)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.