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