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