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