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