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