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