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