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