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