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