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