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