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