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)(13,14,16,18)(15,17,19,20)(21,22)(23,31)(24,28)(25,29)(26,30)(27,32)(33,36)(34,35)(5,7)(6,10)(8,11)(9,12)(13,15,16,19)(14,17,18,20)(21,23)(22,27)(24,26)(25,32)(28,35)(29,31)(30,36)(33,34)(5,6,9,8)(7,10,12,11)(14,18)(17,20)(21,24,34,32,25,33,26,23)(22,28,35,27,29,36,30,31)(2,4)(5,8,9,6)(7,10,12,11)(23,32)(24,33)(27,31)(28,36)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.