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