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