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