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