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