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