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