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