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