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