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