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