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