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