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