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