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