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