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