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