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