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