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