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