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