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)(17,18,19,25,21,24,27,22)(20,28,30,31,29,32,26,23)(2,7)(3,12)(4,5)(9,15)(10,11)(13,14)(17,19,21,27)(18,22,24,25)(20,26,29,30)(23,28,31,32)(1,3)(2,8)(4,12)(5,14)(6,13)(7,15)(9,10)(11,16)(17,20,21,29)(18,23,24,31)(19,26,27,30)(22,28,25,32)(1,3)(2,9)(4,14)(5,12)(6,13)(7,16)(8,10)(11,15)(18,22)(19,27)(23,28)(24,25)(26,30)(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.