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