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