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