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