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