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