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