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