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