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