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