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