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