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)(18,22)(19,23)(24,28)(25,27)(26,31)(29,32)(1,3,4,8)(2,5,6,7)(9,11)(10,13)(12,15)(14,16)(17,18,21,22)(19,25,27,23)(20,28,30,24)(26,31,29,32)(11,15)(13,16)(17,19,21,27)(18,23,22,25)(20,29,30,26)(24,32,28,31)(9,11)(10,13)(12,15)(14,16)(17,20,21,30)(18,24,22,28)(19,26,27,29)(23,31,25,32)(11,15)(13,16)(20,30)(24,28)(26,29)(31,32) 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.