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