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