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