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