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