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)(8,23,25,13,26,29,24,30)(19,27,34,31,35,36,33,32)(5,7,9,20,11,22,10,21)(6,12,14,17,16,28,15,18)(8,19,24,33,26,35,25,34)(13,27,29,31,30,36,23,32)(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(2,4)(5,8,9,24,11,26,10,25)(6,13,14,29,16,30,15,23)(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.