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)(23,27)(24,32)(25,29)(26,30)(28,31)(33,35)(34,36)(1,2)(3,4)(5,7,10,16)(6,12,8,17)(9,19,11,15)(13,20,18,14)(21,23,26,25)(22,27,30,29)(24,31,33,34)(28,35,36,32)(2,4)(21,24,26,33)(22,28,30,36)(23,31,25,34)(27,35,29,32)(5,8,10,6)(7,14,16,20)(9,13,11,18)(12,19,17,15)(22,29)(23,25)(27,30)(28,32)(31,34)(35,36)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.