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