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