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