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