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