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