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