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