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