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