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