One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,3,4)(5,6,10,14,11,16,9,15)(7,17,21,28,22,18,20,12)(8,23,24,29,25,13,26,30)(19,32,33,36,35,31,34,27)(5,7,9,20,11,22,10,21)(6,12,14,17,16,28,15,18)(8,19,24,33,25,35,26,34)(13,27,29,31,23,36,30,32)(2,4)(5,6)(7,18)(8,13)(9,14)(10,15)(11,16)(12,20)(17,22)(19,32)(21,28)(23,25)(24,29)(26,30)(27,33)(31,35)(34,36) involution — undirected(5,8,9,24,11,25,10,26)(6,13,14,29,16,23,15,30)(7,19,20,33,22,35,21,34)(12,27,17,31,28,36,18,32)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.