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