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