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