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