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