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