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