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