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