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