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