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