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