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