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