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