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