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