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