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