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