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