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