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