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