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