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