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