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