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