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