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