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