One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,4)(3,6,7,8)(9,10)(11,16)(12,13)(14,15)(17,18,22,21)(19,20,24,23)(25,26,28,30)(27,31,32,29)(2,4)(6,8)(10,15)(13,16)(17,19,22,24)(18,23,21,20)(27,32)(29,31)(9,11,14,12)(10,16,15,13)(17,20)(18,24)(19,21)(22,23)(25,26)(27,29)(28,30)(31,32)(1,3)(2,6)(4,8)(5,7)(9,12,14,11)(10,16,15,13)(17,20)(18,19)(21,24)(22,23)(25,27,28,32)(26,29,30,31)(1,4,5,2)(3,6,7,8)(9,13,14,16)(10,12,15,11)(17,21,22,18)(19,23,24,20)(25,26)(27,29)(28,30)(31,32)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.