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