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