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