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