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