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