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