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