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