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