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