One vertex per element, one color per generator, with an edge from x to x·s.
(2,5)(6,8)(11,12)(15,16)(17,18,21,22)(19,25,26,23)(20,24,28,30)(27,32,29,31)(33,34)(35,39)(36,38)(37,44)(40,43)(41,46)(42,48)(45,47)(10,14)(15,16)(18,22)(19,26)(20,28)(31,32)(33,35,38,43)(34,39,36,40)(37,45,46,42)(41,48,44,47)(9,10)(11,15)(12,16)(13,14)(17,19,21,26)(18,23,22,25)(20,29,28,27)(24,32,30,31)(33,35)(34,40)(36,39)(37,42)(38,43)(41,48)(44,47)(45,46)(1,2)(3,6)(4,5)(7,8)(9,11,13,12)(10,15,14,16)(17,18)(19,23)(20,24)(21,22)(25,26)(27,31)(28,30)(29,32)(33,36,38,34)(35,40,43,39)(37,44,46,41)(42,48,45,47)(1,3,4,7)(2,6,5,8)(9,12,13,11)(10,16,14,15)(17,20,21,28)(18,24,22,30)(19,27,26,29)(23,31,25,32)(33,37)(34,41)(35,42)(36,44)(38,46)(39,47)(40,48)(43,45)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.