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