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