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