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