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