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