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