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