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