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