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