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