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