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