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