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