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