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