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