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