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