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