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