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