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