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