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