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)(15,21)(16,20)(17,18)(19,23)(22,28)(24,26)(25,27)(30,31)(32,39)(33,41)(43,44)(7,11)(9,12)(14,18)(19,21)(20,24)(27,28)(29,30,34,31)(32,35,39,37)(33,38,41,36)(40,44,42,43)(5,7)(6,9)(8,11)(10,12)(13,14)(15,19)(16,24)(17,18)(20,26)(21,23)(22,28)(25,27)(29,31,34,30)(32,35,39,37)(33,36,41,38)(40,44,42,43)(1,2)(3,4)(5,6)(7,9)(8,10)(11,12)(13,15,17,23)(14,19,18,21)(16,25,26,22)(20,28,24,27)(29,32)(30,35)(31,37)(33,42)(34,39)(36,44)(38,43)(40,41)(13,16,17,26)(14,20,18,24)(15,22,23,25)(19,27,21,28)(29,33,34,41)(30,36,31,38)(32,40,39,42)(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.