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