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