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)(19,23)(20,30)(21,25)(22,26)(24,27)(28,32)(29,31)(33,34)(35,40)(36,41)(37,47)(38,43)(39,44)(42,46)(45,48)(1,3)(2,8)(4,11)(5,12)(6,10)(7,13)(9,15)(14,16)(17,19,24,22)(18,23,27,26)(20,29,21,28)(25,32,30,31)(33,34)(35,45)(36,41)(37,42)(38,43)(39,44)(40,48)(46,47)(1,4,7,5)(2,9,6,14)(3,11,13,12)(8,15,10,16)(17,20,24,21)(18,25,27,30)(19,28,22,29)(23,31,26,32)(33,35,39,48)(34,40,44,45)(36,46,43,37)(38,47,41,42)(1,5,7,4)(2,9,6,14)(3,12,13,11)(8,15,10,16)(17,21,24,20)(18,25,27,30)(19,29,22,28)(23,31,26,32)(33,36)(34,41)(35,46)(37,48)(38,44)(39,43)(40,42)(45,47)(1,3)(2,8)(4,11)(5,12)(6,10)(7,13)(9,15)(14,16)(17,22,24,19)(18,26,27,23)(20,29,21,28)(25,32,30,31)(33,37,39,46)(34,42,44,47)(35,36,48,43)(38,45,41,40)(1,6,7,2)(3,10,13,8)(4,14,5,9)(11,16,12,15)(17,23,24,26)(18,19,27,22)(20,31,21,32)(25,28,30,29)(33,38,39,41)(34,43,44,36)(35,47,48,42)(37,45,46,40)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.