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