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