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