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