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