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