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