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