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