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