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)(18,33)(19,27)(22,26)(24,29)(28,30)(32,35)(34,36) involution — undirected(5,7,9,18,11,19,10,16)(6,13,23,33,15,27,12,25)(8,17,24,34,22,32,21,30)(14,28,20,31,29,36,26,35)(5,8)(6,14)(7,17)(9,24)(10,21)(11,22)(12,26)(13,28)(15,29)(16,30)(18,34)(19,32)(20,23)(25,35)(27,36)(31,33) involution — undirected(6,15)(12,23)(13,27)(14,29)(20,26)(25,33)(28,36)(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.