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