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