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