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