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