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