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)(19,28)(20,25)(21,36)(22,34)(23,27)(24,32)(26,29)(30,41)(31,42)(33,47)(35,40)(37,48)(38,45)(39,46)(43,44)(1,3)(2,6)(4,11)(5,10)(7,14)(8,9)(12,15)(13,16)(17,18)(19,24)(20,34)(21,26)(22,25)(23,27)(28,32)(29,36)(30,38)(31,43)(33,39)(35,48)(37,40)(41,45)(42,44)(46,47) involution — undirected(17,19,29,44,22,33,37,45,23,30,35,46,20,31,21,32)(18,24,36,42,25,39,40,41,27,38,48,47,34,43,26,28)(3,10)(6,9)(11,16)(14,15)(19,30)(24,38)(28,41)(31,33)(32,45)(39,43)(42,47)(44,46) involution — undirected(1,4,5,13)(2,7,8,12)(3,11,10,16)(6,14,9,15)(17,20,23,22)(18,25,27,34)(19,31,30,33)(21,35,37,29)(24,39,38,43)(26,36,40,48)(28,42,41,47)(32,46,45,44)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.