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