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)(17,18,22,26)(19,25,29,30)(20,24,23,31)(21,28,32,27)(1,3,5,4)(2,6,8,7)(9,10)(11,15)(12,14)(13,16)(17,19,21,24,22,29,32,31)(18,23,27,25,26,20,28,30)(1,3,5,4)(2,7,8,6)(9,11,12,16)(10,13,14,15)(17,20)(18,24)(19,28)(21,30)(22,23)(25,32)(26,31)(27,29)(1,4,5,3)(2,7,8,6)(11,16)(13,15)(17,19)(18,25)(20,28)(21,31)(22,29)(23,27)(24,32)(26,30)(10,14)(13,15)(18,26)(20,23)(25,30)(27,28) 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.