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