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