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)(5,13,16,10)(17,18,22,20)(19,23,25,27)(21,28,29,24)(26,32,31,30)(2,7)(4,15)(8,11)(10,13)(17,19)(18,23)(20,27)(21,26)(22,25)(24,30)(28,32)(29,31)(33,34,38,42)(35,40,45,39)(36,37,41,48)(43,47,46,44)(2,7)(3,12)(4,15)(5,16)(18,20)(19,25)(21,29)(30,32)(33,35,38,45)(34,39,42,40)(36,46,41,43)(37,47,48,44)(1,3)(2,8)(4,10)(5,14)(6,12)(7,11)(9,16)(13,15)(17,19)(18,23)(20,27)(21,26)(22,25)(24,30)(28,32)(29,31)(33,36,38,41)(34,37,42,48)(35,43,45,46)(39,44,40,47)(1,4)(2,9)(3,13)(5,8)(6,15)(7,14)(10,12)(11,16)(17,20,22,18)(19,23,25,27)(21,28,29,24)(26,30,31,32)(33,35)(34,40)(36,46)(37,44)(38,45)(39,42)(41,43)(47,48)(1,5)(2,10)(3,14)(4,8)(6,16)(7,13)(9,12)(11,15)(17,21,22,29)(18,24,20,28)(19,26,25,31)(23,30,27,32)(33,37)(34,41)(35,44)(36,42)(38,48)(39,46)(40,43)(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.