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