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