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