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