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