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