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