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