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