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