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