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