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