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