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