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