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