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