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