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