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)(13,14,17,16)(15,18,19,20)(21,22)(23,24)(25,30)(26,27)(28,29)(31,32)(33,36)(34,35)(5,7,9,8)(6,10,12,11)(15,19)(18,20)(22,27)(23,29)(30,35)(31,36)(5,6,9,12)(7,10,8,11)(13,15)(14,18)(16,20)(17,19)(21,23)(22,28)(24,27)(25,31)(26,29)(30,33)(32,35)(34,36)(1,2)(3,4)(5,6)(7,11)(8,10)(9,12)(13,16,17,14)(15,20,19,18)(21,24,26,28)(22,29,27,23)(25,33,34,32)(30,31,35,36)(5,8,9,7)(6,11,12,10)(21,25,26,34)(22,30,27,35)(23,31,29,36)(24,32,28,33)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.