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