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