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