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