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