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