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