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