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