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