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