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