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