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