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