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