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