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