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