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