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