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