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