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