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