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)(7,15,17,12,19,20,18,16)(21,22,24,30,26,29,25,27)(23,31,32,28,34,35,33,36)(1,2,3,4)(5,7)(6,12)(8,16)(9,17)(10,18)(11,19)(13,20)(14,15)(22,27)(24,25)(28,35)(29,30)(31,36)(32,33)(5,8,11,6)(7,16,19,12)(9,14,10,13)(15,18,20,17)(21,23,26,34)(22,28,29,36)(24,33,25,32)(27,35,30,31)(5,9,11,10)(6,13,8,14)(7,17,19,18)(12,20,16,15)(22,29)(27,30)(28,36)(31,35)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.