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