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