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