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