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