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