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