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