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