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