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