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