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