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