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