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