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