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