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