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