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