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