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