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