One vertex per element, one color per generator, with an edge from x to x·s.
(2,4)(5,6,8,10)(7,11,12,9)(13,14)(15,21)(16,18)(17,24)(19,22)(20,25)(23,26)(27,28)(30,31)(32,39)(36,38)(40,41)(7,12)(9,11)(14,16)(15,22)(20,24)(23,28)(29,30,34,31)(32,37,39,35)(33,36,42,38)(40,44,41,43)(5,6)(7,9)(8,10)(11,12)(13,15)(14,19)(16,21)(17,23)(18,22)(20,26)(24,27)(25,28)(29,31,34,30)(32,37,39,35)(33,38,42,36)(40,44,41,43)(1,2)(3,4)(5,7,8,12)(6,9,10,11)(13,16,18,14)(15,21,22,19)(17,20,25,24)(23,26,28,27)(29,32,34,39)(30,35,31,37)(33,41,42,40)(36,44,38,43)(13,17,18,25)(14,20,16,24)(15,23,22,28)(19,26,21,27)(29,33,34,42)(30,36,31,38)(32,40,39,41)(35,43,37,44)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.