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