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