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