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