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