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