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