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