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