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