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