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