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