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)(15,20)(16,21)(17,22)(18,19)(23,26)(24,25)(27,28)(29,30,35,33)(31,36,32,38)(34,41,42,37)(39,44,40,43)(7,11)(9,12)(14,19)(15,21)(22,28)(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)(13,15,18,21)(14,20,19,16)(17,25,27,23)(22,24,28,26)(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)(14,21,19,15)(17,26,27,24)(22,23,28,25)(29,33,35,30)(31,38,32,36)(34,41,42,37)(39,44,40,43)(13,17,18,27)(14,22,19,28)(15,23,21,25)(16,24,20,26)(29,34,35,42)(30,37,33,41)(31,39,32,40)(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.