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