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