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