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