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