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