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