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