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