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