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