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