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