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