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