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