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