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