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