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