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