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