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