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