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