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