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