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