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