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