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