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