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