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