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