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