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