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