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)(19,20)(21,24)(22,30)(23,26)(25,31)(27,29)(28,32)(33,34)(35,42)(36,39)(37,44)(38,41)(40,46)(43,45)(47,48)(1,3)(2,7)(4,10)(5,9)(6,11)(8,14)(12,15)(13,16)(17,19,23,24)(18,20,26,21)(22,27,31,32)(25,28,30,29)(34,36)(35,41)(40,44)(43,47)(2,5)(7,9)(8,12)(14,15)(17,20,23,21)(18,24,26,19)(22,28,31,29)(25,32,30,27)(33,35)(34,38)(36,42)(37,43)(39,41)(40,45)(44,48)(46,47)(1,3)(2,7)(4,10)(5,9)(6,11)(8,14)(12,15)(13,16)(17,21,23,20)(18,24,26,19)(22,29,31,28)(25,32,30,27)(33,36,39,34)(35,42,41,38)(37,44,46,40)(43,48,47,45)(1,4,6,13)(2,8,5,12)(3,10,11,16)(7,14,9,15)(17,22,23,31)(18,25,26,30)(19,27,24,32)(20,28,21,29)(33,37,39,46)(34,40,36,44)(35,43,41,47)(38,45,42,48)(1,5,6,2)(3,9,11,7)(4,12,13,8)(10,15,16,14)(17,18)(19,20)(21,24)(22,25)(23,26)(27,28)(29,32)(30,31)(33,38,39,42)(34,41,36,35)(37,45,46,48)(40,47,44,43)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.