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