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