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