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