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