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