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