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