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