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