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