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