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