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