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