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