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