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