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