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